Answers by Chad Brown
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Answers by Chad Brown

Answers by Chad Brown
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Radioisotopes tell scientists that Earth is how old? A. 65 million years B. 500 million years C. 4.5 billion years D. 13.4 billion years
answered Feb 17, 2018
4 votes
93.8k views
If a person weighs 125 lbs, 8oz., how many mg does s/he weigh
answered Jan 28, 2018
1 vote
58.3k views
Which is the name for a quick, unlearned, and automatic response? Select one of the options below as your answer: A. An impulse B. A synapse C. A reflex
answered Jul 6, 2017
1 vote
104k views
A wooden block has a volume of 25.3 cm3. Its mass is 17.0g. What is the density of this block?
answered May 22, 2015
2 votes
58.8k views
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